Dot Matrix LED Unit for Outdoor Use LT1465ED(Lamp Type)
s
Features
隆No.
of dots : 16!16dots
隆Outline
dimensions : 64!64mm
隆Dot
size : 酶3.0mm
隆Dot
pitch : 4.0mm
隆Radiation
color : Yellow-green+Red (dichromatic type)
隆Driving
method : 1/16 duty dynamic drive
LT1465ED
s
Absolute Maximum Ratings
Parameter
Supply voltage for IC
Supply voltage for LED
Input voltage
*1
Turn-on time
Operating temperature
Storage temperature
Power dissipation
*1 V
I
<Vcc at Vcc鈮?
Symbol
V
CC
V
LED
V
I
t
o
N
T
opr
T
stg
P
Rating
5.5
5.5
5.5
1
-20 to +45
-25 to +85
13
(Ta=25藲C)
s
Electrical Characteristics
Parameter
Supply voltage for IC
Supply voltage for LED
IC current dissipation
*1
LED current dissipation
*1
(V
CC
=5V,V
LED
=5V,Ta=25藲C)
Unit
V
V
V
ms
藲C
藲C
W
s
Optical Characteristics
s
Optical Characteristics
Parameter
Symbol
Viewing angle
Red
Peak emission wavelength
Yellow-green
2胃
1
/
2
位p
(V
CC
=5V,V
LED
=5V,Ta=25藲C)
TYP.
110
635
565
Unit
藲
nm
Symbol
MIN. TYP. MAX. Unit
4.75
5.0
V
CC
5.25
V
4.75
5.25
5.0
V
LED
V
------
20
40
I
CC
mA
------
1.7
2.0
I
LED
A
3.5
------
------
V
IH
V
Input voltage
------
------
V
IL
V
1.5
------
------
碌A(chǔ)
0.1
I
IH
Input current
------
------
0.12
I
IL
mA
Clock frequency
------
------
3.0
f
CLK
MH
Z
80
Frame frequency
100
H
Z
f
FR
------
*1 Under the condition that dichromatic all dots are lit.
s
Timing Chart
tsu
CLOCK
RDATA
GDATA
V
D
(N+1)data
t
WL
td(C-L)
LATCH
1/ f
OSC
INTERNAL
ENABLE
RENABLE
GENABLE
ADDRESS
ON
OFF
td(E-L)
ON
OFF
ON
V
D
(N+2)data
th
t
WCLK
s
Luminance
Luminance is classified into 2 ranks shown below. It is adjustable by
(V
CC
=5V,V
LED
=5V,Ta=25藲C)
variable registers.
Rank
Unit
Radiation color
1
2
Red
160
200
cd/m
160
200
Yellow-green
2
s
Terminal Functions
Connector Symbol
V
LED
Power
V
CC
supply
GND1
(CN1)
GND2
A0 to A3
RDATA
GDATA
Input
signal
(CN2)
LATCH
ENABLE
CLOCK
Function
Supply voltage for LED (+5V)
Supply voltage for IC (+5V)
Ground for IC
Ground for LED
Address specification signal for row driver
Serial data input for red (H=ON, L=OFF)
Shift from right to left(V
D15
隆
V
D0
) in the unit
Serial data input for yellow-green (H=ON, L=OFF)
Shift from right to left(V
D15
隆
V
D0
) in the unit
Latch signal of display data.L隆H: Contents of shift
register are latched.
Controls ON/OFF of LED (H: LED OFF)
Clock signal for data transmission in the
shift-register. (L隆H: Serial data is shifted.)
V
D
(n)dataON
V
D
(n+1)dataON
td(A-E)
V
D
(n+1)
td(L-A)
t
OFF
V
D
(n)
s
Block Diagram
Luminance adjustment circuit
Input/output circuit
RAD
GADJ
473
OSC
MONO-MULTI
HC123
331J
HC367
Input
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
Output
A0
A1
A2
A4
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
Ground for signal. (Connected to ground for IC)
Buffered input signal
A0 to A3
Input signal generated through 16-bit shift register
RDATA
or buffer
Input signal generated through 16-bit shift register
Output
GDATA
signal
or buffer
(CN3)
LATCH Buffered input signal
ENABLE Buffered input signal
CLOCK Buffered input signal
Ground for signal. (Connected to ground for IC)
GND1
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
(Notice)
3 to 8
DECODER
3 to 8
DECODER
NPN DRIVER
H
D0
RV
D15
16BITSHIFT REGISTER
LATCH DRIVER
H
D15
GV
D15
16!16 DOT
LED
DICHROMAT
MATRIX
16BITSHIFT REGISTER
LATCH DRIVER
RV
D0
GV
D0
devices
catalogs, data books, etc. Contact SHARP
60
(Internet)
隆Data
forshown inoptoelectronic/power device is provided for in order to obtain the latest device specification sheets before using any SHARP device.
sharp's
internet.(Address http://www.sharp.co.jp/ecg/)
隆In
the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
1
2
